[FEATURE] Expose daily usage quota in CLI / status line data

Preflight Checklist

• [x] I have searched existing requests and this feature hasn't been requested yet
• [x] This is a single feature request (not multiple features)

Problem Statement

There's no way to know how close you are to your daily usage limit. You only
find out when you hit it and get throttled — no warning, no dashboard, no API.

Proposed Solution

Include quota/rate-limit information in the JSON data passed to the status
line (and ideally as a CLI command too, e.g. claude usage). Something like:

{
"quota": {
"used_percentage": 72,
"resets_at": "2026-04-13T00:00:00Z"
}
}

This would let users monitor their remaining allowance throughout the day and
pace their work accordingly.

Alternative Solutions

_No response_

Priority

High - Significant impact on productivity

Feature Category

Configuration and settings

Use Case Example

would use this everyday on my cli status bar

Additional Context

_No response_